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import { nodeOrNew, register, wrapWithAttrCheck } from '../utils/adopter.js'
import { registerMethods } from '../utils/methods.js'
import Container from './Container.js'
export default class Marker extends Container {
// Initialize node
constructor ( node ) {
super( nodeOrNew( 'marker', node ), node )
}
// Set width of element
width ( width ) {
return this.attr( 'markerWidth', width )
}
// Set height of element
height ( height ) {
return this.attr( 'markerHeight', height )
}
// Set marker refX and refY
ref ( x, y ) {
return this.attr( 'refX', x ).attr( 'refY', y )
}
// Update marker
update ( block ) {
// remove all content
this.clear()
// invoke passed block
if ( typeof block === 'function' ) {
block.call( this, this )
}
return this
}
// Return the fill id
toString () {
return 'url(#' + this.id() + ')'
}
}
registerMethods( {
Container: {
marker ( ...args ) {
// Create marker element in defs
return this.defs().marker( ...args )
}
},
Defs: {
// Create marker
marker: wrapWithAttrCheck( function ( width, height, block ) {
// Set default viewbox to match the width and height, set ref to cx and cy and set orient to auto
return this.put( new Marker() )
.size( width, height )
.ref( width / 2, height / 2 )
.viewbox( 0, 0, width, height )
.attr( 'orient', 'auto' )
.update( block )
} )
},
marker: {
// Create and attach markers
marker ( marker, width, height, block ) {
var attr = [ 'marker' ]
// Build attribute name
if ( marker !== 'all' ) attr.push( marker )
attr = attr.join( '-' )
// Set marker attribute
marker = arguments[1] instanceof Marker
? arguments[1]
: this.defs().marker( width, height, block )
return this.attr( attr, marker )
}
}
} )
register( Marker )
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